Palindromic untouchable numbers.

Terms

a(0) =2a(1) =5a(2) =88a(3) =262a(4) =292a(5) =474a(6) =626a(7) =818a(8) =848a(9) =898a(10) =2992a(11) =4224a(12) =4884a(13) =6006a(14) =6776a(15) =6996a(16) =8008a(17) =8228a(18) =8558a(19) =8778a(20) =8998a(21) =20502a(22) =20802a(23) =21112a(24) =21512a(25) =21712a(26) =21812a(27) =22022a(28) =22122a(29) =22322